Rhiwlas (Llandderfel) Weather Forecast

    • 2
    • 7

    Light rain

    • 5
    • 6

    Light rain

    • 6
    • 10

    Cloudy

    • 6
    • 10

    Cloudy

    • 7
    • 10

    Cloudy

    • 8
    • 12

    Light rain

Today 4 Dec Wales

Rain clearing to the northeast. Some brighter spells in the south and west, and a day of sunshine and scattered showers generally unfolding. Overnight, frost and fog patches may form. Maximum Temperature 8C.

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Rhiwlas (Llandderfel) Temperature Statistics

December Temperature

Lake Vyrnwy Saws (20km)

  • Lowest 2 December, 2025

    4.2 °C

  • Average December

    6.8 °C

  • Highest 1 December, 2025

    10.7 °C

Climate (2020–Present)

Lake Vyrnwy Saws (20km)

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  • Average Low 2020–2025

    6.2 °C

  • Average 2020–2025

    8.9 °C

  • Average High 2020–2025

    11.7 °C
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